This topic contains a solution. Click here to go to the answer

Author Question: A sewing machine needle moves up and down in simple harmonic motion with an amplitude of 1.27 cm and ... (Read 89 times)

lb_gilbert

  • Hero Member
  • *****
  • Posts: 588
A sewing machine needle moves up and down in simple harmonic motion with an amplitude of 1.27 cm and a frequency of 2.55 Hz. What are the (a) maximum speed and (b) maximum acceleration of the tip of the needle?
 
  What will be an ideal response?

Question 2

A camera with a 20-cm diameter lens is recording images using a filter that allows only light of wavelength 600 nm to pass through.
 
  (a) What is the limit on the angular resolution (in microradians) in this case?
  (b) What is the diameter of the minimum-sized features that could be resolved on Mars with this camera? The distance to Mars at the time is 9.0  107 km.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

zoeyesther

  • Sr. Member
  • ****
  • Posts: 315
Answer to Question 1

(a) 20.3 cm/s (b) 326 cm/s2

Answer to Question 2

(a) 3.7 rad (b) 330 km





 

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

For a complete list of videos, visit our video library